Handle setjmp/longjmp explicitly.

PowerRecomp/recompiler.cpp

@@ -35,7 +35,21 @@ bool Recompiler::Recompile(const Function& fn, uint32_t base, const ppc_insn& in
 {
     println("\t// {} {}", insn.opcode->name, insn.op_str);
 
+    bool printedJmpEnv = false;
+
     auto printFunctionCall = [&](uint32_t ea)
+        {
+            if (ea == longJmpAddress)
+            {
+                println("\tlongjmp(*reinterpret_cast<jmp_buf*>(base + ctx.r3.u32), ctx.r4.s32);");
+            }
+            else if (ea == setJmpAddress)
+            {
+                println("\tenv = ctx;");
+                println("\tctx.r3.s64 = setjmp(*reinterpret_cast<jmp_buf*>(base + ctx.r3.u32));");
+                println("\tif (ctx.r3.s64 != 0) ctx = env;");
+            }
+            else
             {
                 auto targetSymbol = image.symbols.find(ea);
 
@@ -47,6 +61,7 @@ bool Recompiler::Recompile(const Function& fn, uint32_t base, const ppc_insn& in
                 {
                     println("\t// ERROR", ea);
                 }
+            }
         };
 
     auto printConditionalBranch = [&](bool not_, const std::string_view& cond)

PowerRecomp/recompiler.h

@@ -15,6 +15,8 @@ struct Recompiler
     std::string out;
     size_t cppFileIndex = 0;
     std::vector<uint8_t> temp;
+    uint32_t setJmpAddress = 0;
+    uint32_t longJmpAddress = 0;
 
     void LoadSwitchTables(const char* filePath);
     void LoadExecutable(const char* filePath);

PowerRecomp/swa_recompiler.cpp

@@ -191,4 +191,7 @@ void SWARecompiler::Analyse()
     }
 
     std::sort(functions.begin(), functions.end(), [](auto& lhs, auto& rhs) { return lhs.base < rhs.base; });
+
+    setJmpAddress = 0x831B6AB0;
+    longJmpAddress = 0x831B6790;
 }